automata,512 states,476 algorithm,356 learning,301 testing,290 language,215 orbit,306 minimal,172 languages,157 model,145 implementation,142 sequences,138 deterministic,132 residual,132 proof,131 transition,128 output,126 equivariant,122 order,122 product,122 tree,121 function,118 input,118 queries,113 semantics,100 infinite,96 equivalence,94 method,92 software,92 structure,89 support,86 theory,83 alphabet,81 generators,81 time,77 construction,76 data,76 program,76 symmetry,89 ioco,62 representation,62 hypothesis,58 space,58 family,57 algebra,56 consistent,56 teacher,56 partition,53 action,52 relation,52 atoms,51 join,51 system,51 group,50 loop,50 counterexample,48 succinct,47 dimension,46 maps,46 complexity,45 canonical,44 characterisation,44 probabilistic,44 specification,44 fsm,42 nondeterministic,42 behaviour,40 observation,40 components,37 properties,35 formal,34 category,33 distribution,33 irreducible,33 monad,33 completeness,32 conformance,32 permutations,32 reachable,32 regular,31 unique,31 value,31 abstract,30 applications,30 control,30 derivatives,30 coalgebra,29 correct,28 minimisation,28 probability,28 compatible,27 experiments,27 library,27 power,26 research,26 isomorphism,25 rational,25 study,25 chain,24 interesting,24 bisimulation,23 functor,23